Home / 5,677.98-8,516.33-1,518.32

Finding the Fourth Proportional to 5,677.98, 8,516.33 and 1,518.32

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Solution

The fourth proportional to 5,677.98, 8,516.33 and 1,518.32 is: 2,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.98 : 8,516.33 = 1,518.32 : x
  2. Step 2: Convert to fraction form
    5,677.98/8,516.33 = 1,518.32/x
  3. Step 3: Cross multiply
    5,677.98x = 8,516.33 × 1,518.32
  4. Step 4: Simplify right side
    5,677.98x = 12,930,475.34
  5. Step 5: Solve for x
    x = 12,930,475.34/5,677.98
  6. Step 6: Final answer
    x = 2,277.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.